A cross-platform PSP emulator
RetroArch is a frontend for emulators, game engines and media players.
The game engine for everyone
An iOS & tvOS Frontend for Multiple Emulators
Free game engine for development of desktop, mobile, and web games
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Stride (formerly Xenko), a free and open-source cross-platform C# game
Fast and lightweight JavaScript game engine built on WebGL and glTF
Gideros Release version
3D Engine c++
GemRB is a portable open-source implementation of the Infinity Engine
INSTEAD - Simple Text Adventure Interpreter.
A MUD client for Android, iOS, Linux, Mac OS X and Windows
JavaScript framework to build game engines, games, emulators and apps
Your collection, your way
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
Game engine supporting many 3D/2D formats and graphic effects
Program for tournament management.
Urho3D Game engine